M39003/03-3045

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Tantalum capacitors are an important type of electrolytic capacitors, which are composed of a layer of tantalum or Niobium anode, an electrolyte filled in a cathode or anode shell, and an external terminal electrode for connection between the anode and the circuit. M39003/03-3045 is a type of tantalum capacitors which offer excellent performance and increased reliability in a range of surface-mount applications. It is designed for use in professional audio and mobile communications like wireless base station, GSM, and 3G due to its small size and large capacitance.

Application Field

M39003/03-3045 capacitors are most commonly used in portable consumer electronics, medical and automotive power systems, and RF circuits. The applications are mainly in DC/DC converters, snubbers, LCD back-lighting, and many other functions. In addition, they have wide applications in measurement, wearables, instrumentation, and military equipment.

The excellent performance of the M39003/03-3045 capacitors in the different applications is attributed to their small size, robust construction, and high capacitance. They are also available in various capacitance values from 9.5 mF to 56µF, with a tolerance of ±5%, and operating voltage range of 16 to 25V. The devices feature small size, low profile, and high frequency performance. The capacitance range is optimized for RF applications. Furthermore, the M39003/03-3045 capacitors are suitable for reflow soldering and are able to withstand mechanical shock and vibration.

Working Principle

Tantalum capacitors are non-polarized devices, meaning that they do not have positive and negative terminals. When a voltage is applied to the device, an electric field is created in the thin oxide layer on the tantalum anode. This field causes current to flow through the capacitor as the oxide layer acts as an insulator. The current is then stored in the form of electric charge.

The capacitance of a tantalum capacitor is determined by the surface area of its anode and the thickness of the oxide layer. As the voltage applied to the capacitor increases, so does the capacitance. Therefore, M39003/03-3045 capacitors are able to store more energy when they are kept under high voltages.

The M39003/03-3045 capacitors have a wide range of temperature range from -55°C to 125°C and exhibit a reliable life time of up to 2000 hours. Furthermore, the devices are also RoHS compliant, making them suitable for use in many environmentally friendly applications.

In summary, M39003/03-3045 capacitors are a reliable and efficient type of tantalum capacitors which offer excellent performance, increased reliability, and RoHS compliance. With their small size, high capacitance, and wide operating voltage range, they are suitable for a range of different applications including DC/DC converters, snubbers, LCD backlighting, and more.

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